fix(store-turso): fail-closed migrations with schema ledger (ARN-242) - #394

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grok/arn-242-turso-migration-ledger

Commits on Jul 14, 2026

test(store-turso): failing tests for swallowed migrations and the missing ledger (ARN-242)

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claude
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fix(store-turso): fail-closed migrations behind a schema version ledger (ARN-242)

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claude
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fix(store-turso): gate migrations on a schema fingerprint; make the ledger self-migrating (ARN-242)

rita-aga
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docs(adr): correct the stamp mechanism and record the gate's blind spot (ARN-242)

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claude
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docs(store-turso): correct SCHEMA_VERSION's doc to match the fingerprint gate (ARN-242)

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docs(adr): renumber Turso migration ledger to ADR-0174 (unique)
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fix(store-turso): keep execute_idempotent precondition in release (ARN-242)
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